STR/AFP via Getty Images Wei Guixian, a 57-year-old seafood vendor in Wuhan, China, was among the first 27 people to be diagnosed with the coronavirus, which originated from the wet market where she worked. Wei first began exhibiting coronavirus symptoms on December 10 and was admitted to the hospital less than a week later, with doctors describing her illness as "very serious" and "ruthless." Other vendors from the same market began to check into the hospital soon after.